Measurements of time-dependent CP asymmetries in B -> D * -/+pi(+/-) decays using a partial reconstruction technique

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题名:	Measurements of time-dependent CP asymmetries in B -> D * -/+pi(+/-) decays using a partial reconstruction technique
作者:	Bahinipati,S;Trabelsi,K;Kinoshita,K;Arinstein,K;Aulchenko,V;Aushev,T;Bakich,AM;Balagura,V;Barberio,E;Belous,K;Bhardwaj,V;Bhuyan,B;Bischofberger,M;Bondar,A;Bozek,A;Bracko,M;Chen,A;Chen,P;Cheon,BG;Chiang,CC;Cho,IS;Cho,K;Choi,Y;Dalseno,J;Dolezal,Z;Drasal,Z;Eidelman,S;Gabyshev,N;Golob,B;Ha,H;Horii,Y;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Ishikawa,A;Iwabuchi,M;Iwasaki,Y;Iwashita,T;Julius,T;Kang,JH;Kiesling,C;Kim,HJ;Kim,MJ;Ko,BR;Kobayashi,N;Kodys,P;Krizan,P;Kumita,T;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,MJ;Lee,SH;Li,J;Liu,C;Louvot,R;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mohanty,GB;Nakao,M;Natkaniec,Z;Neubauer,S;Nishida,S;Nitoh,O;Ogawa,S;Ohshima,T;Pakhlov,P;Park,CW;Petric,M;Piilonen,LE;Poluektov,A;Rohrken,M;Sahoo,H;Sakai,Y;Schneider,O;Schwanda,C;Schwartz,AJ;Sevior,ME;Shapkin,M;Shen,CP;Shiu,JG;Smerkol,P;Sohn,YS;Sokolov,A;Solovieva,E;Stanic,S;Staric,M;Sumisawa,K;Sumiyoshi,T;Tanaka,S;Teramoto,Y;Uchida,M;Uehara,S;Uglov,T;Unno,Y;Uno,S;Varner,G;Vinokurova,A;Wang,CH;Won,E;Yabsley,BD;Yamashita,Y;Zhang,CC;Zhang,ZP;Zhou,P;Zivko,T;Zupanc,A
贡献者:	物理學系
关键词:	VIOLATION;INFORMATION;DETECTOR;MODES
日期:	2011
上传时间:	2012-06-11 10:50:37 (UTC+8)
出版者:	國立中央大學
摘要:	We report results on time-dependent CP asymmetries in B -> D(-/+)pi(+/-) decays based on a data sample containing 657 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider at the Y(4S) resonance. We use a partial reconstruction technique, wherein signal B -> D(-/+)pi(+/-) events are identified using information only from the fast pion from the B decay and the slow pion from the subsequent decay of the D(-/+), where the former (latter) corresponds to D(+)(D*(-)) final states. We obtain CP violation parameters S(+) = +0.061 +/- 0.018 (stat) +/- 0.012 (syst) and S(-) = +0.031 +/- 0.019 (stat) +/- 0.015 (syst).
關聯:	PHYSICAL REVIEW D
显示于类别:	[物理學系] 期刊論文

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